Accident? Or assassination?

First: Yevgeny Prigozhin is presumed dead in a plane crash. We explore the extraordinary demise of Wagner's chief and what it says about Putin's Russia.   Then: The elephant not in the room. Frontrunner Donald Trump skips the first Republican debate on the day he's due to hand himself in at an Atlanta jail.  Plus: Wildfires devour Greece. We bring you the latest from the ground.  And: As Hawaii picks up the pieces from its own devastating wildfires, Governor Josh Green joins the show.  To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices